Item #: MUS MSA9505 LIST

On Stage MSA9505 Posi Lok Telescoping Mini Boom Arm

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Product Description

This On Stage MSA9505 Posi Lok Telescoping Mini Boom Arm offers the most flexibility of all the Posi Lok booms. This MSA9505 Mini Boom comes complete with two 52-teeth disks that rotate 300 degrees and grip securely together. The telescoping arm adjusts from 9-16 inches. The MSA9505 is built with an ergonomic knob to make adjustments simple and easy.

The patented Posi Lok 52-teeth design gives you the versatility to create your own microphone angle techniques. No other microphone support system combines compact size and locking support at any angle like Posi Lok!

On Stage MSA9505 Posi Lok Telescoping Mini Boom Arm Features:

  • Solid 5/8 inch-27 threaded end will fit any standard microphone stand or clip
  • Round ergonomic knob for quick and easy angle adjustments
  • Telescoping boom arm adjusts from 9-16 inches

warning WARNING: Cancer and Reproductive Harm -
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Helpful Info about the Manufacturer
Phone:  (800) 289-8889 Warranty:  3 Years

Product Specifications

On Stage MSA9505 Posi Lok Telescoping Mini Boom Arm Specifications:

  • Boom Adj.: 9-16 inch
  • Color: Black Powder Coat Finish

Customer Reviews

Review: Brandon K Submitted: 8/6/2019

Product Rating5 out of 5 stars.


The ultimate mini book arm.
Product Rating

Product Review

I own a couple of these. I've used them on a guitar amp stand as well as for my vocals. It helps reach over my pedalboard and brings the mic right up to my face. And I don't have to worry about someone walking into the other end of a book mic. Payed with a Quick clip, it's the ultimate.

Review: Joe Sanchez Submitted: 6/12/2019

Product Rating5 out of 5 stars.



Product Review

These mini-booms are great! They are better built than several of my music stands, they lock positively so there is NO slippage or sagging, the telescoping feature is a real life saver if you want your pedalboard in front of you and you sing into a mic, and for what you get, these are a steal! Try it, you'll like it.

Review: Larry Floyd Submitted: 6/28/2018

Product Rating4 out of 5 stars.



Must-have for gigs with no stages

Product Review

I've used one of these for years-this is an extra one. If you want to keep your teeth in your mouth, don't use a regular boom that sticks out in front when you play a gig with dancers who might back or fall into the mic stand. These don't stick out, never sag, and last forever. The only down side at all is when you use a round-base mic stand (I do) it could tip if you put something too heavy on the end.

Review: Cheryl D Anderson Submitted: 10/24/2013

Product Rating5 out of 5 stars.



Love my posi lok.It is my second purchase.

Your general opinion of this product.

This is a great product. I will be replacing my boom snakes with these.I have 7 more posi loks to purchase.

It is made well.Some feel that it is difficult to adjust the height while using it.I know how, so it is fine for me.

very simple assembly.Very simple to use.

Ir is an extremely futuristis boom extension.Less bulky and heavy.Works well and looks great.

There is no tone.


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